Chrome: We’ve all been there—you open a site in a new tab, and it starts playing audio in the background. Or worse, you open it in the foreground and it starts a video in some random corner of the page while you read an article. Silent Site Sound Blocker puts an end to that nonsense for good.

Chrome: If you tend to bounce between a lot of different videos or sounds online, you know how much a pain it can be to have sound coming from multiple tabs. Smart Tab Mute ensures only one tab can play sound at a time.

Factoids that can save your life, free travel posters for outer space, what barbecue really is (and isn’t,) how air traffic controllers keep planes in the air, and more all wait within in this week’s Lifehacker Brain Buffet.

Android/iOS (Beta): You probably use your phone as an alarm clock, and you may even use it to play music isntead of a generic alarm tone, but what if you could use your favorite speakers or home stereo to wake you up instead of your phone’s tinny speakers? That’s what Sleepcast does.

If you’ve ever heard your own voice played back on a recording and thought “do I really sound like that?” you’re not alone. Most of us at least cringe when we hear how we sound to others, and The Science of Us explains why, and what it says about us.

Wireless microphones give you the freedom to move around while amplifying your voice, but they can be incredibly expensive. With a Raspberry Pi, a few cheap components, and a radio, you can create one for a lot less.

A good pair of space-saving, budget-friendly, great-sounding speakers aren’t impossible to find. You just need a solid set of bookshelf speakers, and this week we’re looking at five pairs that meet those criteria—base on your nominations, of course.

If you want good sound without dedicating a ton of floor space to huge speakers, you’ll need a good pair of modest, budget-friendly bookshelf speakers instead. This week we want to hear which ones you think are the best.

Chrome: Sharing links via the internet is easy. Sharing in person is still surprisingly difficult. Google Tone aims to make it easier to pass a link around a meeting table by emitting an audible code that your browser can hear and interpret. That means anyone within earshot can grab the link.

The best earbuds offer some noise isolation, but if the ones you have are awful or keep falling out of your ears, Instructables user NightHawkinLight has a method to make your own, customized noise-isolating earbuds using a pair of reusable earplugs, some clear silicone, and a little elbow grease.

Warm weather means it’s a great time to get outside, fire up the grill, have friends over, and maybe listen to some music while everyone hangs out outside. To do that though, you’ll need some solid outdoor, weather-resistant speakers. This week, we’re looking at five of the best, based on your nominations.

With the weather turning warmer, more of us want to spend time outside. That doesn’t mean we should have to leave our tunes behind. This week we’re looking for the best outdoor, all-weather speakers, perfect for backyards and barbecues.

Whether you’re talking to family on Skype or Hangouts, or you’re playing multiplayer games and need your teammates to hear you, there are a few simple things you can to do make sure your audio comes through clearly.

I’m a headphone junkie. I have headphones in all shapes and sizes, but there’s one small problem: I don’t like things that dig deep into my ears, which most traditional in-ear headphones do. So I’ve embarked on a search for more comfortable options...and it’s been more complicated than I expected.

Your average cheap portable Bluetooth speaker is garbage—the crap to quality ratio in the category is absurd. But I've spent the last few months combing through loads of speakers under $200 and found four that are actually good.